Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quais são as séries atendidas na Manchester Junior-Senior High School?
 ###Tabelas: CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, School VARCHAR, City / Town VARCHAR, Website VARCHAR, Size INT, Principal VARCHAR, Grades VARCHAR, IDOE Profile VARCHAR) CREATE TABLE singles_18_itf (singles_18_itf_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponent in the Final VARCHAR, Score VARCHAR) CREATE TABLE 2009_10_table (2009_10_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Tries against VARCHAR, Try bonus VARCHAR, Losing bonus VARCHAR, Points VARCHAR) CREATE TABLE past_champions_in_the_field (past_champions_in_the_field_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Country VARCHAR, Year(s) won VARCHAR, Total INT, To par INT, Finish VARCHAR) CREATE TABLE r (r_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, No.(s) VARCHAR, Height in Ft. VARCHAR, Position VARCHAR, Years for Rockets VARCHAR, School/Club Team/Country VARCHAR)  
SELECT Grades FROM  WHERE School = Manchester Junior-Senior High School